$422 Cheap Delta flights Boston (BOS) to Olbia (OLB)

View $422 flight on Sat, Oct 18, 2025Opens in a new window

$422 Cheap Delta flights Boston (BOS) to Olbia (OLB)

Prices were available within the past 7 days and start at $422 for one-way flights and $550 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Sep 24 - Fri, Oct 10
BOS
Boston
OLB
Olbia
$550 Roundtrip, found 6 days ago
$550
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Sep 24 from Boston to Olbia, returning Fri, Oct 10, priced at $550 found 6 days ago
Flights from Boston (BOS) to Olbia (OLB)
Origin airport
Logan Intl.
Destination airport
Costa Smeralda
Airlines serving
Air France, Austrian Airlines, British Airways, Brussels Airlines, Condor, Delta, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Popular airline
Lufthansa
Distance
3992 mi

Frequently asked questions

How much is a Delta Air Lines flight from Logan Intl. Airport (BOS) to Costa Smeralda Airport (OLB)?
Finding cheap one-way Delta Air Lines flights from BOS to OLB from $422 on Expedia is simple --- just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $550 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BOS to OLB with Delta Air Lines?
November is one of the least expensive months to fly to Olbia with Delta Air Lines. You could also find great prices on return and one-way fares in February.
What is the cheapest time to book flights from Logan Intl. Airport (BOS) to Costa Smeralda Airport (OLB) with Delta Air Lines?
Search for Delta Air Lines flights from BOS to OLB about one month before you want to go. The cheapest time to book an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or fare class, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Passengers booking on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Logan Intl. Airport (BOS) to Costa Smeralda Airport (OLB)?
To see if there's a direct trip from BOS to OLB with Delta Air Lines or another carrier, select the "Nonstop" filter when browsing for flights.
What is the earliest Delta Air Lines flight from BOS to OLB?
To find the earliest departures from BOS to OLB with Delta Air Lines, filter your results by "Early Morning" and "Morning." Booking an early flight generally means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Olbia?
Take a Delta Air Lines flight from Logan Intl. Airport (BOS) to Olbia, and you'll most likely touch down at Costa Smeralda Airport (OLB). This is the airline's primary hub here.
Why fly with Delta Air Lines from BOS to OLB?
With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a popular option for many passengers heading from BOS to OLB. Plus, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Logan Intl. Airport (BOS) to Costa Smeralda Airport (OLB)?
Changes are typically free within 24 hours of making a booking, but your airline may charge a fee after that. For more information about altering your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to update your itinerary without additional charges, check the "Changes included" and "No cancel fee" filters when organizing your next trip.

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*Available to One Key members.